considering they are brand new designs by tyler why not get them involved? I had humming always when subamps were involved, plate subamps, but not as bad as it seems your describing, but this is sometimes the downfall to having active speakers with amps that kick on and off in a standby function.. if they are A-B amps it seems sometimes these are quieter than the Class D plate amps with hum, weird sometimes.
Problem with sub amp?
I have Tyler Acoustic PD80s with the built in subs/amps. A couple weeks ago after shutting the system down, the subs in the right speaker started humming. I powered up the McIntosh, the hum stopped, I powered down the Mc and 5 seconds later the speaker started humming again. I run single wire to the lower terminals on the speaker then jump from the upper terminals to the high level input on the PDs amp. When the subs hum I can not detect any noise comming from the mids or horns. The problem happens probably 50% of the time. My fear is leaving for work having forgotten to kill the power, that low hum would drive my dog completely insane after 8-10 hours. I suspect it is a problem with the sub amps... any ideas on how to narrow it down?
Thanks
Thanks